The Histories · 2.115

Hearing this, Thonis seized Alexander and detained his ships, and after that he brought the man himself up to Memphis and with him Helen and the wealth he had, and also in addition to them the suppliants. So when all had been conveyed up thither, Proteus began to ask Alexander who he was and from whence he was voyaging; and he both recounted to him his descent and told him the name of his native land, and moreover related of his voyage, from whence he was sailing. After this Proteus asked him whence he had taken Helen; and when Alexander went astray in his account and did not speak the truth, those who had become suppliants convicted him of falsehood, relating in full the whole tale of the wrong done. At length Proteus declared to them this sentence, saying, "Were it not that I count it a matter of great moment not to slay any of those strangers who being driven from their course by…

Herodotus of Halicarnassus · trans. G. C. Macaulay, 1890
Source edition
Passage preview. Read in context for the complete text, notes and references.